From the answer:
Good day, lferneyhough, Let me share information on how to make credit card charges billable.... To be able to make credit card charges billable, upon entering Credit Card Charges, be sure to assign each expense to the customer.

From the answer:
Hold down the option key and click on QuickBooks to launch it.... This will block the opening of your company file - hopefully that will prevent it from getting into the crash situation.